Mezhdunaroden knigoobmen na Bŭlgarskata akademii︠a︡ na naukite : spravochnik /
Bŭlgarska akademii︠a︡ na naukite.TSentralna biblioteka.
Argirova, M.
Savova, Elena.
Sofii︠a︡ : Bŭlgarska akademii︠a︡ na naukite. T︠S︡entr. biblioteka,
1980.
Table of contents also in English.
Includes indexes.
Bŭlgarska akademii︠a︡ na naukite. T︠S︡entralna biblioteka
Science
Science
Exchanges, Literary and scientific